1/4" x 3.5" Glass Tube - PTFE Compression Caps

1/4" x 3.5" Glass Tube with PTFE Compression Caps. Manufactured by Camsco in the USA. 1/4" glass ATD sorbent tubes come in 3.5” length and are standard for PerkinElmer™, Markes™ and Shimadzu™ instruments.